upgrade PHP from 5 4 to 7 3 on centOS7

In this tutorial I would like to show you - HOW TO UPGRADE PHP 5.4 TO 7.3 ON CENTOS7 (also work.. from any version to 7.3 in CENTOS7)
===Step by step command to do the job successful ===
php -v

---------
[remi]
name=Remi's RPM repository for Enterprise Linux 7 - $basearch
enabled=0
gpgcheck=1
--------

--------
[remi-php73]
name=Remi's PHP 7.3 RPM repository for Enterprise Linux 7 - $basearch
enabled=1
gpgcheck=1
--------

yum -y upgrade php*

php -v

sudo systemctl restart httpd

THANKS FOR WATCHING...